zlg.c

ZLG7289的驱动程序

/*
	该程序是将周立功单片机网站上的提供的程序做了一些修改
*/

#include <reg52.H>
#include "zlg.h"
#include <absacc.h>
#include "lcd1602.h"
#include <stdlib.h>

#define START XBYTE[0X0000]

void Delay(unsigned int t)
{
	do
	{
		TH0 = 0xDC;
		TL0 = 0x00;
		TR0 = 1;
		while ( !TF0 );
		TF0 = 0;
		TR0 = 0;
	} while (--t);
}

#define uchar unsigned char
#define uint unsigned int

uchar Key;
uchar code keyTable[4][4] = {
	{0x00,0x10,0x20,0x30},
	{0x40,0x50,0x60,0x70},
	{0x80,0x90,0xa0,0xb0},
	{0xc0,0xd0,0xe0,0xf0,}
};

uchar ch;
uchar ch1;

void main() {
	uchar xdata *addr;
	addr=&START;
	Delay(30); //延时300ms，等待ZLG7289 复位完毕
	ZLG7289_Init(1); //调用ZLG7289 的初始化函数
	Delay(100);
	//键盘测试
	EA = 0;
	IT0 = 1; //负边沿触发中断
	EX0 = 1; //允许外部中断
	EA = 1;
	ZLG7289_Reset();
	Delay(30);
	LCD_Initial();
	GotoXY(0,0);
	Print("\373\372");
	while(1);
	while(1) {
		ch=rand()%256;
		*addr=ch;
		ch1=*addr;
		if (ch!=ch1) {
			GotoXY(0,2);Print("ERROR:");
		}
		addr++;
		if (addr==0x7fff)break;
	}
	LCD_Write(LCD_COMMAND,LCD_CLEAR_SCREEN);
	GotoXY(0,0);
	Print("   COMPLETE");
	while(1);
}

void INT0_SVC() interrupt 0
{
	Key = ZLG7289_Key()+'a';
//	P1 = keyTable[Key/8][Key%8];
	GotoXY(0,1);
	PrintChar(Key);
}